SHOPIFY (Updated Feb-2021)
A: 23.227.38.65
CNAME: shops.myshopify.com

WIX (Updated Feb-2021)
To connect your domain to Wix, setup your DNS records as follows:

For yourdomain.com, create an A record that points to: 23.236.62.147
For www.yourdomain.com, create a Cname record that points to: www253.wixdns.net